must enjoin
Regular verb: enjoin - enjoined- enjoined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must enjoin
you must enjoin
she must enjoin
we must enjoin
you must enjoin
they must enjoin 	I must be enjoining
you must be enjoining
she must be enjoining
we must be enjoining
you must be enjoining
they must be enjoining	I must have enjoined
you must have enjoined
she must have enjoined
we must have enjoined
you must have enjoined
they must have enjoined	I must have been enjoining
you must have been enjoining
she must have been enjoining
we must have been enjoining
you must have been enjoining
they must have been enjoining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not enjoin
you must not enjoin
she must not enjoin
we must not enjoin
you must not enjoin
they must not enjoin 	I must not be enjoining
you must not be enjoining
she must not be enjoining
we must not be enjoining
you must not be enjoining
they must not be enjoining	I must not have enjoined
you must not have enjoined
she must not have enjoined
we must not have enjoined
you must not have enjoined
they must not have enjoined	I must not have been enjoining
you must not have been enjoining
she must not have been enjoining
we must not have been enjoining
you must not have been enjoining
they must not have been enjoining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I enjoin?
must you enjoin?
must she enjoin?
must we enjoin?
must you enjoin?
must they enjoin? 	must I be enjoining?
must you be enjoining?
must she be enjoining?
must we be enjoining?
must you be enjoining?
must they be enjoining? 	must I have enjoined?
must you have enjoined?
must she have enjoined?
must we have enjoined?
must you have enjoined?
must they have enjoined? 	must I have been enjoining?
must you have been enjoining?
must she have been enjoining?
must we have been enjoining?
must you have been enjoining?
must they have been enjoining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not enjoin?
must you not enjoin?
must she not enjoin?
must we not enjoin?
must you not enjoin?
must they not enjoin? 	must I not be enjoining?
must you not be enjoining?
must she not be enjoining?
must we not be enjoining?
must you not be enjoining?
must they not be enjoining? 	must I not have enjoined?
must you not have enjoined?
must she not have enjoined?
must we not have enjoined?
must you not have enjoined?
must they not have enjoined? 	must I not have been enjoining?
must you not have been enjoining?
must she not have been enjoining?
must we not have been enjoining?
must you not have been enjoining?
must they not have been enjoining?